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Upserting large table extremely slow #2159

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@Anton-Tarazi

Description

Feature Request / Improvement

Feature Request / Improvement

Upserting large dataframes (tens of millions of rows) in un-usably slow due to creating a massive BooleanExpression in upsert_util.create_match_filter. This is before any IO is even started. It would be nice if upserts could support large tables.

I'd be happy to work on this issue.

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